By Ludlum, Robert, Van Lustbader, Eric
By Ludlum, Robert
By Cobb, James, Ludlum, Robert
By Ludlum, Robert, Larkin, Patrick
By Crais, Robert
By Cobb, James, Ludlum, Robert, Ludlum, Robert
By Burian, Peter K., Caputo, Robert
By Johnstone, Robert
By Stafford, Christine, Oliver, Robert
By Nixon, Robert, De Bono, Evi
By Dearling, Robert, etc.
By Stein, Robert
By Innes-Smith, Robert
By Scase, Robert, Storey, Eric
By Hunt, Robert
By Schuller, Robert
By Junqueira, Luiz, Carneiro, Jose, Kelley, Robert
By Buffington, Robert
By Leach, Heather, Graham, Robert
By Kennedy, Robert
By Dale, Robert, Moisl, HERMANN, Somers, Harold
By Devaney, Robert
By Rhie, Marylin M., Thurman, Robert
By Gordon, Robert, Forge, Andrew
By Marich, Robert
By Cudeck, Robert, MacCallum, Robert C.